//
//  CollectionUtils.java
//
//  Lunar Unity Mobile Console
//  https://github.com/SpaceMadness/lunar-unity-console
//
//  Copyright 2019 Alex Lementuev, SpaceMadness.
//
//  Licensed under the Apache License, Version 2.0 (the "License");
//  you may not use this file except in compliance with the License.
//  You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
//  Unless required by applicable law or agreed to in writing, software
//  distributed under the License is distributed on an "AS IS" BASIS,
//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//  See the License for the specific language governing permissions and
//  limitations under the License.
//

package spacemadness.com.lunarconsole.utils;

import java.lang.reflect.Array;

public class CollectionUtils {
	public static <T> int indexOf(T[] array, T value) {
		for (int i = 0; i < array.length; ++i) {
			if (array[i] == value) {
				return i;
			}
		}
		return -1;
	}

	public static <In, Out> Out[] map(In[] in, Map<In, Out> map) {
		Out[] out = null;
		for (int i = 0; i < in.length; ++i) {
			Out value = map.map(in[i]);
			if (out == null) {
				//noinspection unchecked
				out = (Out[]) Array.newInstance(value.getClass(), in.length);
			}
			out[i] = value;
		}

		return out;
	}

	public interface Map<In, Out> {
		Out map(In in);
	}
}